Commutator and method of manufacturing the same

Details Commutator and method of manufacturing the same Commutator and method of manufacturing the same

1991-05-29

1992-06-23

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 45, 310234, 310235, 310236, H02K 1304

Patent

active

051246090

ABSTRACT:
A commutator includes a plurality of commutator segments disposed in circular configuration and equally spaced from each other in a circumferential direction. Each commutator segment has a contact portion for contact with a brush and an anchoring portion which forms a recess in cooperation with the contact portion. A ball made of insulation material is disposed between each two adjacent commutator segments in such a manner that ball is partly engaged with both recesses of adjacent commutator segments. A cylindrical hub made of synthetic resin is molded with the anchoring portions of the commutator segments and the balls.

REFERENCES:
patent: 1476790 (1923-12-01), Bartmess
patent: 2533775 (1950-12-01), Durrschmidt
patent: 3290527 (1966-12-01), Habermann
patent: 3450914 (1969-06-01), Demerciere
patent: 3619681 (1971-11-01), Ginkel
patent: 4043621 (1977-08-01), Heinz
patent: 4566744 (1986-01-01), Egelenburg

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